Considering the mainline is running to capacity (as per Southern Railways email to me this week) this is a non story.

Double Decker trains are the only way forward to support the ever increasing commuter traffic......would be interesting to know the cost it'd to support such a significant change to the infrastructure.

Considering the mainline is running to capacity (as per Southern Railways email to me this week) this is a non story.
Double Decker trains are the only way forward to support the ever increasing commuter traffic......would be interesting to know the cost it'd to support such a significant change to the infrastructure.Wiggsy